Continuous vs. discrete signals, types of information (visual, audio, etc.).
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Информатика» для 7 класса (УМК Босова Л.Л. и др. 5-9 кл.) Continuous vs
The foundations of programming and step-by-step problem solving. How to Search Effectively Continuous vs. discrete signals
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Hardware components and universal data processing.
If you are looking for specific answers, they will likely fall under these main chapters studied in the 7th grade: